coronary heart disease
Conditions
Interventions
Experimental group:intraoperative use of locators
Control group:using conventional method
Sponsors
Beijing Anzhen Hospital Affiliated to Capital Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18-80 years, gender is not limited; 2. Case selection: patients with aortic-coronary ostium lesions (lesions located in the left main coronary artery (LM) and right coronary artery (RCA) openings) requiring stenting (According to the Chinese guidelines for percutaneous coronary intervention 2012, judged by the investigator); 3. The patients volunteered to participate in this study and signed the informed consent.
Exclusion criteria
Exclusion criteria: 1. Abnormal origin of coronary ostium; 2. Restenosis in the original stent at the opening; 3. Other operators think it is inappropriate to use this test device, such as the dilation of the coronary artery opening or the appearance of a horn; 4. Patients with ST-segment elevation myocardial infarction within 7 days; 5. Severe calcified lesions that cannot be adequately pre-expanded; 6. Left ventricular ejection fraction (LVEF) <= 35%; 7. Those who have participated in other clinical trials within 6 months; 8. The investigator judges other circumstances that are not suitable to participate in this trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the range of stent slippage when positioning (mm); | — |
Secondary
| Measure | Time frame |
|---|---|
| the extent of guiding catheters swing during stent positioning (mm);the rate of accurate stent placement;the procedure time;the incidence of major adverse cardiovascular events; | — |
Countries
China
Contacts
Public ContactNie Shaoping
Beijing Anzhen Hospital Affiliated to Capital Medical University
Outcome results
None listed